Dec 18 07:52:32.021 INFO checking EdenCao/rust_learning against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:52:32.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/EdenCao/rust_learning:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:52:32.392 INFO [stdout] 942541e08df51df58b005077f67e28f9898f0b5298f3306e9df3d3e9388e77bf
Dec 18 07:52:32.392 INFO running `"docker" "start" "-a" "942541e08df51df58b005077f67e28f9898f0b5298f3306e9df3d3e9388e77bf"`
Dec 18 07:52:33.910 INFO [stderr]     Checking rust_learning v0.1.0 (/opt/crater/workdir)
Dec 18 07:52:35.198 INFO [stderr] warning: unused variable: `post`
Dec 18 07:52:35.198 INFO [stderr]   --> src/blog.rs:30:25
Dec 18 07:52:35.198 INFO [stderr]    |
Dec 18 07:52:35.198 INFO [stderr] 30 |   fn content<'a>(&self, post: &'a Post) -> &'a str {
Dec 18 07:52:35.198 INFO [stderr]    |                         ^^^^ help: consider using `_post` instead
Dec 18 07:52:35.198 INFO [stderr]    |
Dec 18 07:52:35.198 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:52:35.198 INFO [stderr] 
Dec 18 07:52:35.411 INFO [stderr] warning: unused variable: `post`
Dec 18 07:52:35.411 INFO [stderr]   --> src/blog.rs:30:25
Dec 18 07:52:35.412 INFO [stderr]    |
Dec 18 07:52:35.412 INFO [stderr] 30 |   fn content<'a>(&self, post: &'a Post) -> &'a str {
Dec 18 07:52:35.412 INFO [stderr]    |                         ^^^^ help: consider using `_post` instead
Dec 18 07:52:35.443 INFO [stderr]    |
Dec 18 07:52:35.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:52:35.448 INFO [stderr] 
Dec 18 07:52:35.476 INFO [stderr] error[E0601]: `main` function not found in crate `refcall`
Dec 18 07:52:35.496 INFO [stderr]   |
Dec 18 07:52:35.496 INFO [stderr]   = note: consider adding a `main` function to `src/refcall.rs`
Dec 18 07:52:35.496 INFO [stderr] 
Dec 18 07:52:35.652 INFO [stderr] error: aborting due to previous error
Dec 18 07:52:35.652 INFO [stderr] 
Dec 18 07:52:35.653 INFO [stderr] For more information about this error, try `rustc --explain E0601`.
Dec 18 07:52:35.733 INFO [stderr] error: Could not compile `rust_learning`.
Dec 18 07:52:35.733 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 07:52:36.655 INFO [stderr] error: build failed
Dec 18 07:52:37.712 INFO running `"docker" "inspect" "942541e08df51df58b005077f67e28f9898f0b5298f3306e9df3d3e9388e77bf"`
Dec 18 07:52:37.962 INFO running `"docker" "rm" "-f" "942541e08df51df58b005077f67e28f9898f0b5298f3306e9df3d3e9388e77bf"`
Dec 18 07:52:38.230 INFO [stdout] 942541e08df51df58b005077f67e28f9898f0b5298f3306e9df3d3e9388e77bf